There are many Byzantine-era churches still standing in Athens, but this is the only one with a 2,500-year-old column rising through its roof.

A little-known park with unusual, half-ruined structures and a mystical energy.

A grotesque collection of wax limbs depicting the symptoms of venereal disease.

Ancient Greek oracle of the dead.

A sharp sculpture made of thousands of pieces of jagged glass.

A naturally beautiful, seemingly bottomless deep blue spring.

Former military fort and site of untold horrors during WWII, this island may become the Adriatic's next luxury resort.

This ironic war memorial thumbs its nose at a campaign of inedible humanitarian aid food products.

There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.

A beautiful mountaintop mausoleum devoted to a Montenegrin icon can't seem to make everyone happy.

This World War I fortress is the perfect place to catch a Montenegrin sunset.

Two bulls enter. One leaves a champion—but neither loses its life.

This unusual hostel provides a glimpse of life in a city under siege.

A field filled with carved medieval tombstones called stećak.

A wellspring of natural Viagra found in Bosnia.

The place where World War I began.

The remains of a sunken military ship wreck visible through clear water.

A musical instrument played by the sea.

This abandoned Croatian stronghold never saw a great deal of conflict but it is still a beloved relic nonetheless.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

The now-overgrown beach resort was once frequented by Yugoslav military elite.

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

A miniature train-ride through Slovenia's largest cave system.